Inventory Plugin helps you manage inventories within JIRA. Define your own inventory forms, enter your inventories according to these forms and link issues with inventories. Inventory Plugin comes with many handy reports and gadgets.
Enhancer Plugin for JIRA keeps you informed about all issue status changes, SLA values and gives valuable KPI metrics for QA reports as well as reports, tab fields, and workflow utilities
All issue state history at a glance. This is the stateoscope plugin for Atlassian JIRA that comes with an issue tab panel showing vivid and clarified issue history.
Time to SLA Plugin for JIRA manages your SLAs and keep you notified. Simply define SLAs to see a countdown to target date according to SLA. Also configure notifiers to get notified if the issue is close to critical time.
Twitter Plugin for JIRA allows your company to follow JIRA projects via Twitter.